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Vitamin D Deficiency

Know More: Vitamin D Deficiency

Trustworthy information, straight from the source. Education is the first step in an empowering healthcare plan. Learn more about vitamin D deficiency from prevention to diagnosis and treatment.

Condition Overview

What is vitamin D deficiency?

Vitamin D deficiency is a low level of vitamin D in your body. Vitamin D helps your body absorb calcium from foods. Your body makes vitamin D when your skin is exposed to sunlight. You can also get vitamin D from certain foods such as fish, eggs, and meat. Most of the vitamin D in your body comes from sunlight exposure.

What increases my risk for vitamin D deficiency?

Low amount of sun exposure.

Low intake of foods that contain vitamin D.

Having dark skin.

Age older than 65.

Pregnancy or breastfeeding.

Infants who are breastfed.

Inability to absorb vitamin D from food.

Obesity.

Use of certain medicines such as antiseizure, steroid, or antifungal medicines.

How much vitamin D do I need each day?

The amount of vitamin D you need depends on your age. You may need more than the recommended amounts below if you take certain medicines or you are obese. Ask your healthcare provider how much vitamin D you need.

Infants up to 1 year of age: 400 international units (IU).

Children 1 year and older: 600 IU.

Adults aged 19 to 70 years old: 600 IU.

Adults older than 70 years: 800 IU.

How can I help prevent vitamin D deficiency?

Eat foods that are high in vitamin D. Fatty fish such as mackerel, canned tuna and sardines, and salmon are good sources of vitamin D. Certain foods such as milk, juice, and cereal are fortified with vitamin D.

Give your breastfed infant a vitamin D supplement of 400 IU each day.

Take vitamin D supplements as directed. High doses of vitamin D can be toxic. Your healthcare provider will tell you how much vitamin D you should take each day. Vitamin D is best absorbed when taken with food.

Expose your skin to sunlight as directed. Ask your healthcare provider how you can safely expose your skin to sunlight and for how long. Too much exposure to sunlight can cause skin cancer.

Diagnosis & Treatment Options

What are the signs and symptoms of vitamin D deficiency?

Low levels of vitamin D can lead to weak and brittle bones that are more likely to fracture. You may not have any signs and symptoms, or you may have any of the following:

How is vitamin D deficiency diagnosed and treated?

Blood tests will be done to measure the amount of vitamin D in your blood. Your healthcare provider may give you high doses of vitamin D for 8 to 12 weeks to increase your levels. Your levels will then be rechecked. If your levels are still low, you will need to take vitamin D supplements for another eight weeks. After your levels have gone back to normal, you may need to continue to take a vitamin D supplement.

Preparing for Care

When should I contact my healthcare provider?

You or your child still have symptoms after treatment has started, or your symptoms get worse.

You think you took too much of a vitamin D supplement, and you have nausea, vomiting, or a headache.

You have questions or concerns about your condition or care.

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More Information about
Vitamin D Deficiency

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